package com.mmall.common;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

import java.io.Serializable;

@JsonSerialize
@JsonInclude(JsonInclude.Include.NON_NULL)
//保证序列化对象的时候如果是NULL的对象使其不显示
public class ServerResponse<T> implements Serializable {
     private int status;
     private String msg;
     private  T data;

     private ServerResponse(int status){
         this.status = status;
     }
     private ServerResponse(int status,T data) {
         this.status = status;
         this.data = data;
     }
     private ServerResponse(int status,String msg){
         this.status = status;
         this.msg = msg;
     }
    private ServerResponse(int status,String msg,T data){
        this.status = status;
        this.data = data;
        this.msg = msg;
    }
    //加这个注解序列化之后就不会显示在JSON里面
    @JsonIgnore
    public boolean isSuccess(){
         return this.status == ResponseCode.SUCCESS.getCode();
    }

    public int getStatus() {
        return status;
    }

    public void setStatus(int status) {
        this.status = status;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }
    //成功
    public static <T> ServerResponse<T> createBySuccess(){
         return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }
    public static <T> ServerResponse<T> createBySuccessMessage(String msg){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), msg);
    }
    public static <T> ServerResponse<T> createBySuccess(T data){
         return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),data);
    }
    public static <T> ServerResponse<T> createBySuccess(String msg,T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg,data);
    }
    //失败
    public static <T> ServerResponse<T> createByError(){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(), ResponseCode.ERROR.getDesc());
    }
    public static <T> ServerResponse<T> createByErrorMessage(String errorMessage){
         return new ServerResponse<T>(ResponseCode.ERROR.getCode(),errorMessage);
    }
    public static <T> ServerResponse<T> createByErrorCodeMessage(int errorCode,String errorMessage){
         return new ServerResponse<T>(errorCode,errorMessage);
    }
}
